header{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  margin: 0 auto;
  z-index: 10000;
  height: 80px;
  line-height: 80px;
  color: #666666;
  overflow: hidden;
  background-color: #FFF;
  .identity{
    float: left;
    width: 140px;
    display: flex;
    justify-content: space-between;
    height: 80px;
    .logo{
      color: #2ECE9A;
      font-size: 14px;
      line-height: 80px;
    }
    .title{
      font-size: 16px;
      font-weight: bold;
      line-height: 80px;
    }
  }
  .nav{
    height: 80px;
    font-size: 20px;
    float: left;
    a{
      height: 60px;
      display: inline-block;
      color: #666666;
      margin-left: 60px;
      border-bottom: 2px solid #ffffff;
      text-decoration: none;
      &:hover,
      &.active{
        color: #2ECE9A;
        border-bottom: 2px solid #2ECE9A;
      }
    }
  }
  .opera{
    font-size: 14px;
    // width: 90px;
    float: right;
    display: flex;
    justify-content: space-between;
    a{
      color: #666666;
      &:hover,
      &.active{
        color: #2ECE9A;
      }
    }
    p{
      margin: 0 10px;
    }
  }
}
.sidebar{
  padding: 20px 15px;
  background-color: #FFF;
  position: fixed;
  top: 470px;
  height: 170px;
  .kf, .top{
    cursor: pointer;
    display: block;
    color: #999999;
    font-size: 16px;
    .img{
      width: 25px;
      height: 25px;
    }
    &.active{
      color: #2ECE9A;
    }
  }
  .top{
    margin-top: 30px;
    // display: none;
  }
}